Time and burglar alarm.



W. G HUBBS.

TIME AND BURGLAR ALARM.

APPLICATION FILED SEPT. 16, 1915.

Patented Jan. 9,1917.

3 SHEETSSHETI MG. IVA/566.

W. G. HUBBS.

TIME AND BURGLAR ALARM.

APPLICATION FILED SEPT. 16. 915.

1,21 1,448. Patented Jan. 9,1917.

3 SHEETSSHEET 2 W. G. HUBBS.

TIME AND BURGLAR ALARM.

APPLICATION man SEPT. us. 1915.

1,21 1,448. Patented Jan. 9, 1917.

3 SHEETS-SHEET 3- WILLIS G. HUBBS. F WALNUT RIDGE, ARKANSAS.

TIME AND BURGLAR, ALARM.

Specification of Letters Patent.

Patented Jan. 9, 1917.

Application filed September 16, 1915. Serial No. 51,077.

1 0 all whom it may concern:

Be it known that I, WILLis G. HUBBS, a citizen of the United States,residing at Walnut Ridge, in the county of Lawrence, State of Arkansas,have invented certain new and useful Improvements in Time and BurglarAlarms; and I do hereby declare the following to be a full. clear, andexact description of the invention, such as will enable others skilledin the art to which it appertains to make and use the same.

This invention relates to a time and burglar alarm.

An object of the invention resides in the provision of a device by meansof which an alarm may be given when the doors or windows of a house arebeing forced.

A further ob ect of the invention resides in so constructing the devicethat it will give an alarm at a predetermined time.

Vith these and other objects in view, such as will appear as mydescription progresses, my invention comprises the combination andarrangement of parts as set forth in and falling within the scope of theappended claims.

In the drawing: Figure 1 is an elevational view of a conventionalrepresentation of my device; F 2 is a fragmental perspective view of thecircuit closer used upon the window and showing, also, the cams upon thewindow; Fig. 3 is a perspective view of the circuit closer for anoutwardly opening door such as shown at the lower left hand corner ofFig. 1; Fig. 4 is a similar view of the circuit closer for an inwardlyopening door such as shown at the upper left hand corner of Fig. 1; Fig.5 is a fragmenta-l detail of the battery box showing the door swung toan open position; Fig. 6 is a fragmental detail of the clock receivingchamber; Fig. 7 is a sectional view thereof with the clock in place, andFig. 8 is a diagrammatic view of the wiring.

Referring to the drawing by reference characters wherein like parts areindicated by like characters throughout the several views: In Fig. 1 ofthe drawing I have illustrated, conventionally, a frame 1 which ineludes doors 2 and 3, a window at, a battery boX5 anda clock casing? Asocket member 7 is mounted on the door casing and is adapted to receivea switch blade 11. A pair of switch blades 8 are also mounted on thedoor casing and are so formed that a space is formed bet een he ame ja eto their bases but so that they are brought into contact, resiliently,adjacent their ends. The extremities of these blades are, however,turned outwardly away from each other. A switch blade 1Ov is secured tothe door and is adapted to swing between the blades 8 so that it willcontact with the blades as it forces them apart in its passage to thespace between the blades. When it lies in this space, however, it willbe entirely free from the blades 8 so that no circuit will be completedthrough the said blades 8 and 10. It is to be noted that the blades 8and the socket 7 are formed of a continuous piece ofmetal. A similarswitch mechanism is provided for the door 3, which mechanism includes asocket 12, a switch blade 13 which is adapted to engage in said socket,a pair of blades 14 similar to the blades 8 and a blade 15 which ismounted upon the door 3.

Mounted on the window frame is a plate which includes a socket 16 and akeeper 17. A switch blade 18 is adapted to engage the socket 16 and aresilient blade 19 which extends beneath the keeper 17 is adapted tomove into engagement with the same. Mounted on the window 4, at itsupper and lower ends, are cams 20 which engage the blade 19 when thewindow is either raised or lowered to its full extent and maintain theblade out of engagement with the keeper. These cams permit the blade 19to engage the keeper, however, during the raising and lowering of thewindow 4. A clock 21 is mounted in the clock casing 6 and is held inposition by resilient plates 22 which are secured to the sides and topof the casing.

This clock is held in spaced relation to the back of the casing byabutments 23. The clock rests upon a plate 24: and a contact member 25is secured to the back of the easing so that when the alarm key 26 ofthe clock rotates it will engage the contact 25. A pair of batteries 27and 28 are mounted in the battery box 5 while a push button 29 ismounted on the casing of the doors 2 and 3.

Referring particularly to Fig.8 of the drawing in which the severalparts which I have before described are represented conventionally, Iwill describe the circuit in which the parts are included. A circuitpasses from the battery 28 through a wire 30, to a hinge 31, which hingeis located at the lower end of a door 32 which closes the battery box 5,through a wire 33 to a bell 34, through a wire to a hinge 36 at theupper end of the door 32, through a wire 3'? to the battery 27 to abinding post 38, which post is mounted on the battery box 5, through awire 39 to the point d0, through a wire 4:1 to the switch blade 18, tothe switch blade 19, through a wire d2 to the point l3, through a wirelet to a binding post 15 and through a wire 16 back to the battery 28.Thus when the switch blade 19 engages the keeper 17 and the switch blade18 is in the socket 16 the above circuit will be completed and the bellsounded.

A second circuit follows the first mentioned circuit from the bindingpost through the batteries and bell to the binding post 38 and thencepasses through the wire 39 to the point 40, through the wire $1 to thepoint 4-7, through a wire to a hinge 49 on which the lowermost door 8 ismounted to the switch blade 15, through the switch blade 13, through awire 50 to the point 51 and through the wire 4% to the binding post 45.Thus when the lower door 3 is opened the above circuit will be completedand the bell sounded.

A third circuit follows the first mentioned circuit from the bindingpost through the batteries and bell to the binding post 38, through thewire 39 to the point 52, through a wire to the switch blade 10 to theswitch blade 11, through a wire 5% to a hinge 55 on which the upper door2 is supported, through a wire 56 to the'point 57, to the point d8 andthrough the wire L4; to the binding post 45.

An additional circuit which includes the push button 29 follows the lastmentioned circuit from the battery 27 and binding post 38 to the point52 and thence through a wire 58, through the push button 29 and a wire59 to the point 4:3 and through the wire 44 to the battery 28. Thus itwill be seen that when either ot the door 2 or 3 or the window l isopened, a circuit will be completed and the hell 3% sounded. In orderthat this bell may be sounded at a predetermined time, 1 have connectedthe plate 2d on which the clock 21 rests to the binding post 45 fromwhich point the circuit passes through the batteries and bell to thebinding post 38, through a wire 60 to the contact 25. lhus when thewinding key of the alarm rotates, as it does when the alarm is soundedby the clock, it will engage the contact 25 and complete the circuitthrough the clock casing to the plate 24.

From the foregoing description it will be seen that l have provided analarm device by means of which an alarm will be given when the windowsor doors of a house are opened and l have so constructed the device thatit may be set to give an alarm at a predetermined time.

ld hile l have illustrated and described a particular embodiment of myinvention, it has merely been for the sake of convenience and 1 do notwish to be limited to that particular embodiment as it is obvious thatnumerous changes may be made in the details of construction withoutdeparting from the spirit of the invention or exceeding the scope of theappended claims.

What I claim is:

1. ln a switch of the class described, the combination with a socket, ofa switch blade constructed and arranged to swing into the same, a pairof switch blades having portions of the same in contact and having aspace between other portions of the same, electrically connected to thesocket, and a switch blade constructed and arranged to swing between thepair of switch blades and to contact with the same during its passage tothe aforementioned space.

2. in a switch of the class described, the combination with a socket anda pair of switch blades, of a switch blade constructed and arranged toenter the socket and a switch blade constructed and arranged to swingbetween the pair of switch blades, the said pair of switch blades havinga space between the same adjacent their bases and being bent intocontact adjacent to their ends.

3. In a switch of the class described, the combination with a socket, ofa switch blade pivoted adjacent and arranged to swing into the same, apair of switch blades having por tions arranged in spaced relation toeach other and other portions arranged in spaced relation but relativelycloser to each other, the said switch blades being electricallyconnected to the socket and a switch blade movable to a position betweenthe aforementioned pair oi blades and which is of such thickness that itwill contact with the pair of blades during its initial movement betweenthe same.

i. In a switch of the class described, the combination with a socket anda pair of switch blades, of a switch blade pivoted adjacent to thesocket and arranged to swing into the same and a switch blade movable toa position between the pair of blades, the said pair of blades having aspace between the same adjacent to their bases and being bent towardeach other adjacent to their ends.

lln testimony whereof, I a'liiX my signature, in the presence of twowitnesses.

WILLIS G. HUBBS.

Witnesses:

G. W. WHITE,

Josnrn SLoAN.

@opies of this he obtained for five cents each, by addressing theflominissioner Washzlnarten, E. t.

